Initial commit

1 files changed, 26 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_arm64.masm b/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_arm64.masm
new file mode 100644
index 0000000..a769cc1
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/stdlib/SDL_mslibc_arm64.masm
@@ -0,0 +1,26 @@
+TeStackLimit EQU 0x00010

+PAGE_SIZE equ 0x1000

+

+    AREA CODE, READONLY

+

+    EXPORT __chkstk

+

+__chkstk PROC

+    ldr                          x17,[x18, #TeStackLimit]

+    subs                         x16,sp,x15, LSL  #0x4

+    csel                         x16,xzr,x16,cc

+    cmp                          x16,x17

+    b.cc                         chkstk_start_loop

+    ret

+chkstk_start_loop

+    and                          x16,x16,#-PAGE_SIZE

+chkstk_loop

+    sub                          x17,x17,#0x1, LSL #12

+    ldr                          xzr,[x17]

+    cmp                          x17,x16

+    b.ne                         chkstk_loop

+    ret

+

+    ENDP

+

+    END